{"action":"closed","issue":{"url":"https://api.github.com/repos/nikomatsakis/lalrpop/issues/194","repository_url":"https://api.github.com/repos/nikomatsakis/lalrpop","labels_url":"https://api.github.com/repos/nikomatsakis/lalrpop/issues/194/labels{/name}","comments_url":"https://api.github.com/repos/nikomatsakis/lalrpop/issues/194/comments","events_url":"https://api.github.com/repos/nikomatsakis/lalrpop/issues/194/events","html_url":"https://github.com/nikomatsakis/lalrpop/issues/194","id":212505642,"number":194,"title":"Index out of bounds in try_classify_question","user":{"login":"malleusinferni","id":2723842,"avatar_url":"https://avatars3.githubusercontent.com/u/2723842?v=4","gravatar_id":"","url":"https://api.github.com/users/malleusinferni","html_url":"https://github.com/malleusinferni","followers_url":"https://api.github.com/users/malleusinferni/followers","following_url":"https://api.github.com/users/malleusinferni/following{/other_user}","gists_url":"https://api.github.com/users/malleusinferni/gists{/gist_id}","starred_url":"https://api.github.com/users/malleusinferni/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/malleusinferni/subscriptions","organizations_url":"https://api.github.com/users/malleusinferni/orgs","repos_url":"https://api.github.com/users/malleusinferni/repos","events_url":"https://api.github.com/users/malleusinferni/events{/privacy}","received_events_url":"https://api.github.com/users/malleusinferni/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":4,"created_at":"2017-03-07T17:37:41Z","updated_at":"2017-10-18T04:04:25Z","closed_at":"2017-10-18T04:04:24Z","author_association":"CONTRIBUTOR","body":"On [line 544 in error.rs](https://github.com/nikomatsakis/lalrpop/blob/7af013e7bbe1ce1cc824bd1b7124c1b5a7dfb321/lalrpop/src/lr1/error/mod.rs#L544), LALRPOP tries to index into `action_examples`. If this slice is empty (which I guess normally shouldn't happen) the build script panics.\r\n\r\nI assume this function was only called in the first place because my grammar is malformed. Unfortunately I can't share it here. If you need a minimized test case I'll try to put one together."}}
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